1. E. Werner, Austrian Patent No. 191015, 1957.
2. J. Sievert, J. Xu, L. Rahf, M. Enokizono, H. Ahlers, SMM-Conference, Madrid, 1989, No. 1.14.
3. T. Yamaguchi, K. Senda, M. Ishida, K. Sato, A. Honda, T. Yamamoto, J. Phys. IV France (Part 2) 8 (1998) 717.
4. Localized magnetic properties in grain-oriented electrical steel measured by needle probe method
5. Grain Boundary Demagnetizing Fields in 3% Si–Fe